National Scientific Shell Vial Inserts

Self-positioning Polyspring inserts prevent syringe from bottoming out and damaging the needle
Grouped product items
Product Name Part # Price Qty Image
Metal Spring for 8x40mL vial with inserts, 100/pack NS-C4015540
$16.80
5mm Polyspring® Insert, 150µL, Clear Silanized Glass, Conical Base, 100/pack NS-C4015S96A
$89.52
5mm Polyspring® Insert, 150µL, Clear Glass, Conical Base, 100/pack NS-C401596A
$76.80

*Polyspring inserts feature a polyethylene spring to center the bottom of the insert and to provide a cushion against needle contact

*Precision point inserts permit maximum sample extraction

*Use metal spring with inserts that lack the Polyspring